#@#&%^†«~,                                          ,~«†^%&#@#
&^^^^^†«~,                                          ,~«†^^^^^&
#@#&%^†«~,                                          ,~«†^%&#@#
#%^^«««,,,                                          ,,,«««^^%#
##&&%^†«~,                                          ,~«†^%&&##
#@#&%^†«~,                   rails                  ,~«†^%&#@#
&&^†«,,,,,                                          ,,,,,«†^&&
#@#&%^†«~,                                          ,~«†^%&#@#
###&%^†«~, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,~«†^%&###
#@#&%^†«~,                                          ,~«†^%&#@#
&&%^†~~,,, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,,,~~†^%&&
&%%^«~,,,,                                          ,,,,~«^%%&
@##&%^†«~,                                          ,~«†^%&##@
&^^«,,,,,, trains  are  so  constructed  that  they ,,,,,,«^^&
@@#&%^†«~, have to  follow a set path. this path is ,~«†^%&#@@
#&%%%^†«~, called a  "railway", which is  comprised ,~«†^%%%&#
#@#&%^†«~, of two metal rails, hence its  nickname. ,~«†^%&#@#
##%^††«~,,                                          ,,~«††^%##
##@#&%^†«~ because  the  low  friction between  the ~«†^%&#@##
#@#&%^†«~, wheels of the train and the rail  metal, ,~«†^%&#@#
###&%^†«~, there  are  limits for how acute a curve ,~«†^%&###
#&%%^«,,,, can be,  and  even  more so for how much ,,,,«^%%&#
&&^^†††«~, the  ground  under   the  rails  can  be ,~«†††^^&&
&&&&%^†«~, sloped. thus a  railway is often not led ,~«†^%&&&&
@&%†~,,,,, on top of hills,  rather through them in ,,,,,~†%&@
@#&^^†~,,, tunnels  (if   they   are   large),   or ,,,~†^^&#@
##@#&%†«~,            artificial chasms.            ,~«†%&#@##
##@#&%†«~,                                          ,~«†%&#@##
#@#&%^†«~, there will be trees  on  the side of the ,~«†^%&#@#
&^††««,,,, rails,  but not too close,  or they will ,,,,««††^&
##&^««~,,, be cut down  by  the  railway  janitors. ,,,~««^&##
##@#%^†«~, there  will  be  plains,  and bodies  of ,~«†^%#@##
#%%††~~,,,                  water.                  ,,,~~††%%#
###&%^†«~,                                          ,~«†^%&###
##@#&^†«~, trains go by  day  and  by night.  along ,~«†^&#@##
#@#&%^†«~,      the way, there is information       ,~«†^%&#@#
#%%†«~~,,, scattered,  often put  on top of  poles, ,,,~~«†%%#
&^«~~,,,,, to be interpreted  by the train drivers. ,,,,,~~«^&
&^††††~,,, different  parts  of  the  railway  have ,,,~††††^&
&^^«,,,,,,          different speed limits.         ,,,,,,«^^&
#%^^†««~~,                                          ,~~««†^^%#
#@#&%^†«~, sometimes, trains have  to stop and wait ,~«†^%&#@#
&%%^«~~,,, for something to happen, far away.  this ,,,~~«^%%&
#@#&%^†«~, is  signaled  by  red  or  green lights. ,~«†^%&#@#
#%%%†~,,,,                                          ,,,,~†%%%#
#%%†~,,,,,                 &&&&&&&&                 ,,,,,~†%%#
##&^««~,,,                                          ,,,~««^&##
###&%^†«~, many people  follow  the rails  by foot. ,~«†^%&###
#&&%^««,,, often  this  proves  to be  the  shorter ,,,««^%&&#
###&%^†«~, path between two  points.  however  this ,~«†^%&###
@&%^††«,,, is  frowned  upon,  and  very   impolite ,,,«††^%&@
@#%^^^†«~,        toward the train drivers!         ,~«†^^^%#@
#@#&%^†«~,                                          ,~«†^%&#@#
#@#&%^†«~,                                          ,~«†^%&#@#
#@#&%^†«~,                                          ,~«†^%&#@#
#@#&%^†«~,                                          ,~«†^%&#@#
&%%%^^†«~,                                          ,~«†^^%%%&
#@#&%^†«~,                                          ,~«†^%&#@#